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Oxygen Radical Absorbance Capacity (ORAC) is in a similar situation; it is a lab test which attempts to quantify the antioxidant capacity of individual foods, but it should not be interpreted as an indication of the benefit it can bring to the user.
Our research[1-3] so far shows that Juice Plus+® increases antioxidants in the blood serum, and that is the best tool we have to sell it.
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Carlos F. Madero, Ph.D. | Director, Quality Assurance
Research conducted by Nantz M., et al., University of Florida Gainsville, Florida, USA. . Supported in part by a grant to the University of Florida Institute of Food and Agricultural Sciences, Sponsored Program Agreement 04050447-C, from NSA, Inc., Collierville, TN.. Study available from Nantz M., et al. (2006) Immunity and Antioxidant Capacity in Humans Is Enhanced by Consumption of a Dried, Encapsulated Fruit and Vegetable Juice Concentrate. The Journal of Nutrition 136(10):2606-2610
Research conducted by Wise, J., et al., Department of Science and Technology, Natural Alternatives International, Inc., San Marcos, CA, USA.. Funding for this study was provided in part by NSA, LLC, Collierville, TN, USA. . Study available from Wise, J., et al. (2009) β-Carotene and α-tocopherol in healthy overweight adults; depletion kinetics are correlated with adiposity. International Journal of Food Sciences and Nutrition, 60(sup3):65-75
Research conducted by Manfred L., et al., Medical University of Graz, Austria. This work was funded in part through a cooperative international research grant from NSA (USA) to the Medical University of Graz and the Styrian Health Association, Graz, Austria. This work was also financially supported by the Franz Lanyar-Stiftung (No. 290 and No. 314). Study available from Manfred L., et al. (2009) Protein Modification Responds to Exercise Intensity and Antioxidant Supplementation. Medicine & Science in Sports & Exercise 41(1):155-163